Dump bin



FIG. 1 is a front perspective view looking from the top and front of a dump bin showing my new design, the opposite perspective view being a mirror image;

FIG. 2 is a front elevational view thereof; and,

FIG. 3 is a top plan view thereof.

The undisclosed bottom is flat and unornamented. 

The ornamental design for a dump bin, as shown and described. 